For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Segment and Geographic Information (Schedule of Revenues by Geographic Region) (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Sep. 27, 2019 USD ($) segment	Sep. 28, 2018 USD ($)	Jun. 29, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of reportable segments \| segment	1
Total revenues	$ 58,614	$ 60,504
Revenue \| Customer Concentration Risk \| MTN
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage	12.00%	13.00%
Revenue \| Customer Concentration Risk \| Globe
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage		11.00%
Accounts receivable \| Customer Concentration Risk \| MTN
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage	12.00%		10.00%
Accounts receivable \| Customer Concentration Risk \| Globe
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage			11.00%
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 39,767	$ 27,763
Africa and the Middle East
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	10,593	14,147
Europe and Russia
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	3,407	3,712
Latin America and Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 4,847	$ 14,882